seems 001-cairo-perf-install.patch and 002-cairo-perf-install-makefile.in.patch can be safely ignored (not 100% sure, but looks like), while 003-cairo16bpp.diff should be forward-ported, it seems to...

@MartinK: I'd recommend having a quick look at https://github.com/community-ssu/iphbd/tree/master/iphbd and https://github.com/community-ssu/iphb-dkms/blob/master/iphb.c before commenting what iphbd...